MC33164P-003

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MC33164P-003 is a supervisory chip manufactured by ON Semiconductor as part of their System Basis Chip/Specialty Product line. It is designed to serve as a power supervisor chip to monitor critical system-level voltages, manage the process of resetting, ensure power-up sequencing, and provide several other advanced features.

The application field for MC33164P-003 is mainly aimed at automotive and electric/electronic applications that require a single voltage, powered from a Li-Ion or NiMH battery, or from a regulated DC-DC converter. It is primarily used for automotive electric or electronic applications such as remote keyless entry systems, powertrain instrumentation, Body Control Modules (BCMs), dashboard systems, and infotainment systems. Additionally, it has some applications in the industrial market, such as portable test and measurement instruments, portable communications equipment, and portable medical devices.

The working principle of MC33164P-003 is simple yet powerful. As a power supervisor chip, it monitors the power-up, power-down sequence, and software reset of the system, while protecting against undervoltage and overvoltage of the power rails. When the supply voltage drops below the pre-selected level, the chip generates a reset pulse, which can be used to power-down the system and restore it to its normal operating state. The chip also features an integrated timer for the manual and auto-reset processes, as well as several other features, such as a watchdog timer, ACEN and PGOOD indications, and an ESD protection circuit of up to 8V.

The MC33164P-003 chip is a low-power, low-cost, ultra-compact solution that requires few external components and minimal board space. It is available in a paper thin and surface-mount 8-pin MLP package, and is rated for operation in ambient temperatures between -40°C and 85°C. The low quiescent supply current and high accuracy of the chip makes it a great choice for applications that require efficient power management and high reliability.

In conclusion, the MC33164P-003 is an ideal choice for system designers who need a low quiescent current and highly-accurate power monitoring solution for their automotive and industrial systems. It may be used for a variety of system requirements, including resetting and setting up overvoltage/undervoltage conditions, integrated timer for manual or auto-reset processes, ESD protection circuit, watchdog timer, and ACEN/PGOOD indications. These features make it a powerful choice for any system design that requires reliable and efficient power management.

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